Locations & Hours
Our Locations
We operate several locations in San Francisco. Hours and contact information for each location appear below.

Main Office
Address: 1035 Market Street, 4th floor
San Francisco, CA 94103
Phone: 415-487-3000
Monday – Friday, 9 am – 5 pm
Some groups and programs are held outside these times.

Strut
Address: 470 Castro Street
San Francisco, CA 94114
Strut, 470 Castro Street, is offering limited clinical services available Tuesday – Saturday, 10 am – 7 pm. Call 415-581-1600 to make an appointment.
If you have symptoms of a suspected sexually transmitted infection or have had a recent HIV exposure, please call 415-581-1600 and select option #3 to be connected with the nursing team at Magnet.
For HIV services, call our navigation team at 415-437-3450, press option #2. You can also email questions about PrEP to prep@sfaf.org and questions about HIV services to assist4HIV@sfaf.org. If you’d like to start PrEP, make an appointment online.

Harm Reduction Center
**Our Harm Reduction Center is currently closed. Visit our mobile site on 1235 Mission between 8th and 9th, Tues – Fri, 11am-3pm for syringe access and disposal services.**
Syringe access and disposal services are available at the 6th Street Harm Reduction Center via “door service.” Clinical services are available Monday through Friday.
Address: 117 6th Street
San Francisco, CA 94103
(between Mission St. & Minna St.)
Door service operates Monday through Friday, 11 am – 3 pm, 3:30 – 7 pm, and Saturday from 4 – 8 pm. The Hepatitis C Wellness and locker programs are available for enrolled clients Tuesday through Friday, 11 am – 1 pm.

Mobile Syringe & Health Services
Our teams are out in neighborhoods across San Francisco providing safe injection and proper disposal supplies and services that help you manage your health, prevent overdose, and stop HIV and hepatitis C transmission.
Hours and locations vary.
Phone: 415-487-8043